Experience of using Danish seine survey results to assess yellowfin sole stock abundance in Terpeniya Bay
https://doi.org/10.15853/2072-8212.2025.77.41-60
EDN: APEENC
Abstract
Data on the species composition and structure of catches, distribution and biological condition of the major commercial species in the summer period were obtained based on the results of Danish seine survey carried out in July 2024 in Terpeniya Bay. The species composition of catches includes 24 species of fish from 10 families. Flounders, Sculpins, and Cod fish were the most diverse. The most common were the yellowfin sole, Alaska plaice and the antlered sculpin. The catch per unit effort (CPUE) for a seining varied for the survey period from 1.0 to 15.4 tons, and was 7.0 tons averaged. The main body of the catches consisted of yellowfin sole. The contribution of this species into the total catches was estimated at 96.8%. The by-catch was dominated by Alaska plaice and starry flounder, great sculpin and antlered sculpin, which accounted for 1.1, 0.3, 1.0 and 0.5% by weight. The paper discusses the sources of uncertainty that arise when estimating marine fish stocks based on data of Danish seine surveys and possible limitations of the method in view of the effects of the uncertainty. Minimum estimates of the yellowfin sole total and commercial biomass in Terpeniya Bay in 2024 was respectively 36.8 и 34.8 thousand tons. The values indicate of a high level of stock abundance and provide indirect evidence of the growth of commercial populations in recent years.
About the Authors
A. O. Zolotov
Pacific Branch of Russian Federal Research Institute of Fisheries and Oceanography (TINRO)
Россия
Россия
Alexander O. Zolotov – Ph. D. (Biology), Leading Researcher
Vladivostok
A. V. Buslov
Pacific Branch of Russian Federal Research Institute of Fisheries and Oceanography (TINRO)
Россия
Россия
Alexander V. Buslov – Ph. D. (Biology), Deputy Director
Vladivostok
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Review
For citations:
Zolotov A.O., Buslov A.V. Experience of using Danish seine survey results to assess yellowfin sole stock abundance in Terpeniya Bay. The researches of the aquatic biological resources of Kamchatka and the North-West Part of the Pacific Ocean. 2025;(77):41-60. (In Russ.) https://doi.org/10.15853/2072-8212.2025.77.41-60. EDN: APEENC
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